s1_goto_dir(){
cd "$1"
}
s2_touch_empty_file_with_given_name(){
touch "$1"
}
s3_make_directories(){
makir -p projects/{git,backup}
}
s4_create_6_files(){
(cd projects && touch linux1_centos linux1_redhat linux1_c_programming linux2_centos linux2_redhat linux2_c_programming)
}
s5_make_directories_in_git(){
mkdir -p projects/git/{linux1,linux2}
}
s6_move_files_to_dir_1_or_2(){
mv projects/linux1_* projects/git/linux1/
mv projects/linux2_* projects/git/linux2/
}
s7_create_package_and_compress(){
tar -czvf projects/backup/git.tar.gz projects/git
}
s8_delete_dir_git(){
rm -rf projects/git
}
s9_recover_from_git_tar_gz_backup(){
tar -zxvf projects/backup/git.tar.gz -C projects
}
s10_create_package_and_compress(){
tar -jcvf projects/backup/git.tar.bz2 projects/git
}
s11_find_and_sort_alphabetically_all_created_files_and_dirs(){
find ./projects -type f,d | sort
}
s12_get_next_15_minutes_boundary(){
date -d '15 minutes' +%Y-%m-%d_%H:%M:%S
}
